Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
332309623Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 3355000
B2 = 98133750
LL
StatusDateUserResidueShift
Unverified2015-11-20Shnobel0843BB2188D34E__79542283
History
DateUserTypeResult
2024-09-24Grant McCrackenNF
no factor from 2^71 to 2^72
2024-04-22Grant McCrackenNF
no factor from 2^70 to 2^71
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-02-26Mark RoseNF
no factor from 2^80 to 2^81
2022-09-19Naegi MakotoNF
no factor from 2^79 to 2^80
2022-09-19Naegi MakotoNF
no factor from 2^78 to 2^79
2021-07-22Random GPUsNF
no factor from 2^77 to 2^78
2015-11-20ShnobelC-LL
0843BB2188D34E__
2013-12-16XebecerNF
no factor from 2^76 to 2^77
2013-11-27XebecerNF-PM1
B1=3355000, B2=98133750
2013-05-21Team_InspectorNF
no factor from 2^75 to 2^76
2013-05-10Team_InspectorNF
no factor from 2^74 to 2^75
2013-05-07Team_InspectorNF
no factor from 2^73 to 2^74
2013-01-15LaurVNF
no factor from 2^72 to 2^73
2012-05-03Team_InspectorNF
no factor from 2^71 to 2^72
2011-06-27Grant McCrackenNF
no factor from 2^70 to 2^71
2010-05-26SunfishNF
no factor from 2^69 to 2^70
2009-08-10Team_InspectorNF
no factor from 2^68 to 2^69